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Conestoga-Rovers ivAssociates BORINGIWELL LOG <br /> l c z 19449 Riverside Drive, Suite 230 <br /> Sonoma, CA 95476 <br /> Telephone: 707-935-4850 <br /> Fax: 707-935-6649 <br /> CLIENT NAME Shell Oil Products US BORING/WELL NAME B-115 <br /> JOB/SITE NAME Former Shell Pipeline DRILLING STARTED 15-Nov-11 <br /> LOCATION Cordes Ranch Tracy California DRILLING COMPLETED 15-Nov-11 <br /> PROJECT NUMBER 060223 WELL DEVELOPMENT DATE (YIELD) NA <br /> DRILLER Grego Drilling GROUND SURFACE ELEVATION NA <br /> DRILLING METHOD Direct Push TOP OF CASING ELEVATION NA <br /> BORING DIAMETER 25/811 <br /> SCREENED INTERVAL NA <br /> LOGGED BY B. Siegfried DEPTH TO WATER (First Encountered) 33.0 ft (15-Nov-11 ) V <br /> REVIEWED BY J. Gaarder DEPTH TO WATER (Static) NA 1 <br /> REMARKS Airknifed to 5 ft. <br /> a g' x to = v 2 <br /> m O X w vt 0. O SOIL DESCRIPTION z � WELL DIAGRAM <br /> FL U N W o v c7 O W <br /> 0 <br /> Clayey SILT fMLI very dark grayish brown (I OYR 3/2); <br /> dry; 30% clay, 70% silt. <br /> @3.5' - moist. <br /> 5 ML @4' - dark yellowish brown (10YR 4/4); moist; 70% silt, <br /> 0.0 8-115-5 30% fine sand. <br /> @5.5 - dark yellowish brown (1 OYR 4/4); moist; 15% clay, <br /> 85% silt. <br /> @6' - 20% clay, 80% silt. <br /> 9.0 <br /> 609 a-pis-m 90 SM Silty SAND ISM) ; dark yellowish brown (10YR 4/4); <br /> moist; 30% silt, 70% sand; odor. 10.8 <br /> ML Clayey SILT (ML) ; dark yellowish brown (10YR 4/4); <br /> moist 20% clay, 80% silt. 12.2 <br /> Silty SAND (SM) ; dark yellowish brown (IOYR 4/4); <br /> moist; 30% silt, 70% sand. <br /> 488 8-775-is 15 <br /> SM <br /> Portland Type IIN <br /> 18.8 <br /> 335 B-115-20SAND (SP) very dark grayish brown (2.5Y 3/2); moist; <br /> 20 sP 5% silt, 95% fine sand. <br /> 21 .2 <br /> a SP Clavev SILT (MLI ; very dark grayish brown (2.5Y 3/2); 21 .5 <br /> w 334 moist& 25% cla 76 silt. 22.4 <br /> SP SAND fSP) very dark grayish brown (2.5Y 3/2); moist; 22.5 <br /> 4.4-444 <br /> 5% silt 95% fine sand. 244 <br /> Clayey SILT (MIF ; very dark grayish brown (2.5Y 3/2); <br /> 36 B-11&25 25 8P moist* 25% cla 75% silt. 24'5 <br /> SAND (SP) very dark grayish brown (2.5Y 3/2); moist; <br /> 5% silt 95% fine sand. 27.0 <br /> ML Clavev SILT fMLI ; very dark grayish brown (2.5Y 3/2); <br /> moist 25% cla 5% silt. 28.3 <br /> Gravelly SAND SPI; very dark grayish brown (2.5Y <br /> SM moist; 5% silt, 70% fine to medium sand, 25% fine <br /> 1 .5 B-11530 30 ravel. 31 .0 <br /> Clavev SILT (ML)_; light yellowish brown (1 OYR 6/4); <br /> m0ist30% cla 70% silt. <br /> N 8P Silty SAND (SMI ; light yellowish brown (10YR 6/4); 33.0 <br /> moist 30% silt "0% fine sand. <br /> ML SAND (SP) ; light yellowish brown (10YR 6!4); wet; <br /> 100% medium sand. <br /> 0.3 847536 35 35.0 <br /> @33' - moist. <br /> Sandy Clavev SILT (MLI ; light yellowish brown (1 OYR <br /> 6/4 moist 20% clay. 60% silt 20% fine sand. Bottom of <br /> °- Boring @ 35 ft <br /> 0 <br /> 0 <br /> 40 <br /> PAGE 1 OF I <br />